<template>
  <div class="app-container">
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['asset:category:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['asset:category:export']"
        >导出</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
        >展开/折叠</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>
    <el-table
        v-if="refreshTable"
        v-loading="loading"
        :data="categoryList"
        row-key="id"
        :default-expand-all="isExpandAll"
        :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
        >
      <el-table-column type="index" width="55" align="center" />
      <el-table-column label="分类名称" align="center" prop="name" width="480"/>
      <el-table-column label="排序" align="center" prop="list_sort" />
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.ext_status" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['asset:category:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['asset:category:add']"
          >新增</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['asset:category:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="pager.page"
      :limit.sync="pager.limit"
      @pagination="getList"
    />

    <!-- 添加或修改资产分类对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="上级" prop="pid">
          <treeselect v-model="form.pid" :options="categoryOptions" :normalizer="normalizer" placeholder="请选择上级" />
        </el-form-item>
        <el-form-item label="分类名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入分类名称" />
        </el-form-item>
        <!--
        <el-form-item label="编码规则" prop="nums">
          <el-input v-model="form.nums" placeholder="请输入编码规则" />
        </el-form-item>
        -->
        <el-form-item label="排序" prop="list_sort">
          <el-input v-model="form.list_sort" placeholder="请输入排序" />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio
              v-for="dict in dict.type.ext_status"
              :key="dict.value"
              :label="dict.value"
            >{{dict.label}}</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { apiGet, apiPost, apiPut, apiDelete, apiExport } from "@/api/openapi";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "Category",
  components: {
    Treeselect
  },
  dicts: ['ext_status', 'assets_category_type'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 资产分类表格数据
      categoryList: [],
      categoryOptions: [],
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: true,
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        name: null,
        pid: null,
        status: null
      },
      pager: {
        page: 1,
        limit: 1000,
        order: "list_sort asc",
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        pid: [
          { required: true, message: "上级不能为空", trigger: "blur" }
        ],
        name: [
          { required: true, message: "分类名称不能为空", trigger: "blur" }
        ],
        status: [
          { required: true, message: "状态不能为空", trigger: "change" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询资产分类列表 */
    getList() {
      this.loading = true;
      let params = this.queryParams;
      params['@pager'] = this.pager;
      params['@table'] = 'asset_category';
      apiGet(params).then(response => {
        this.categoryList = this.handleTree(response.data.rows, "id", "pid");
        this.total = response.data.total;
        this.loading = false;

        this.categoryOptions = [];
        const data = { id: 0, name: '顶级节点', children: [] };
        data.children = this.handleTree(response.data.rows, "id", "pid");
        this.categoryOptions.push(data);
      });
    },
    /** 转换资产分类数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children
      };
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        pid: 0,
        ancestors: '',
        nums: null,
        listSort: 1,
        status: '1'
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.pager.page = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      if (row != undefined) {
        this.form.pid = row.id;
      }
      this.open = true;
      this.title = "添加资产分类";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
        let data = {};
        data['asset_category'] = { id:id};
      apiGet(data).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改资产分类";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
            let data = {};
            data['asset_category'] = this.form;
            data['@tags'] = ['asset_category'];
          if (this.form.id != null) {
            apiPut(data).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            apiPost(data).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除资产分类编号为"' + ids + '"的数据项？').then(function() {
        let data = {};
        data['asset_category'] = { id:ids, "@exp":{id:"in"}};
        data['@tags'] = ['asset_category'];
        return apiDelete(data);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
        let params = {};
      params['asset_category'] = this.queryParams;
      params['@pager'] = {page:1, limit:1000};
      apiExport(params).then(response => {
        apiDownload(response.msg);
      });
    }
  }
};
</script>
